軟質 (なんしつ, nanshitsu) Japanese meaning: soft | KotomoraFreq.FrequencyTop 100,000 Please choose a soft material.
硬質
軟質 means 'softness/flexibility' and is used as the direct opposite of 硬質 when contrasting material properties.
Etymology
Compound of 軟 (nan, 'soft') and 質 (shitsu, 'quality').